serum

Pronunciation change

(UK) IPA ^(key): /ˈsɪərəm/ or /ˈsiːrəm/
Audio (UK) (file)
(US) IPA ^(key): /ˈsɪr.əm/

Noun change

Singular
serum

Plural
serums or sera

Serum is any clear liquid from an animal or plant

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